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A comprehensive project for the production, storage, distribution, and utilization of green electricity and green hydrogen, with a total investment of 5.2 billion yuan, has been launched in Daye, Hubei Province. Recently, the construction of this integrated hydrogen energy facility in Daye began. The project development covers seven major areas: photovoltaic power generation, green electricity-based hydrogen production, distributed hydrogen storage in caves and underground structures, hydrogen pipeline transportation, hydrogen applications, hydrogen industry parks, and a digital management platform. It is reported that the comprehensive hydrogen energy mine construction project that is now under development is backed by institutions such as the Wuhan Institute of Rock and Soil Mechanics of the Chinese Academy of Sciences and MCC Wuhan Geotechnical Engineering Co., Ltd., which provide technical support for the large-scale and safe storage of hydrogen energy. Daye is located in southeastern Hubei, on the southern bank of the middle reaches of the Yangtze River, and is renowned as a \"hundred-mile stretch of golden land, a treasure basin in the south of the Yangtze.\" On June 21, 2022, the Hubei Provincial Department of Science and Technology issued a notice regarding the projects proposed for inclusion in the 2022 key research and development program in the high-tech sector; among these was a project carried out by the Wuhan Institute of Rock and Soil Mechanics of the Chinese Academy of Sciences, focusing on the fundamental theories and key technologies for large-scale hydrogen storage in underground salt caverns. The implementation of cave and underground distributed hydrogen storage in this comprehensive hydrogen energy project in Daye City, which integrates the production, storage, transportation, and utilization of green electricity and green hydrogen, is also a reflection of the achievements of industry, academia, and research in Hubei.